body{
	font-family: "微软雅黑";
	padding: 0px;
	margin: 0px;
	border: 0px;
	background-image: url(../img/beijing.jpg);
	background-attachment: fixed;
	
}
body::-webkit-scrollbar{
	width: 5px;
	background-color: #666;	
}
body::-webkit-scrollbar-thumb{
	-webkit-box-shadow: inset 0 0 5px #888;
}